CVE & CISA-KEV Catalog

CVE-2021-37986

HIGH

8.8

CVSS v3

Description

Heap buffer overflow in Settings in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to engage with Dev Tools to potentially exploit heap corruption via a crafted HTML page.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

chromiumDebian

Fixed in:97.0.4692.71-0.1~deb11u1CVE-2021-37986

Fixed in:97.0.4692.71-0.1CVE-2021-37986

Fixed in:97.0.4692.71-0.1CVE-2021-37986

Fixed in:97.0.4692.71-0.1CVE-2021-37986

Google ChromeWindows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome (EXE)Windows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome BetaWindows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome Beta (EXE)Windows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome CanaryWindows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome DevWindows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Google Chrome Dev (EXE)Windows application

Affected:95.0.4638.54Fixed in:95.0.4638.54Google LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.92%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

debian.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.